AMD Radeon HD 7670 OEM vs AMD Radeon HD 6850 1440SP Edition

VS

AMD Radeon HD 7670 OEM

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 151W)

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon HD 6850 1440SP Edition +171%

2.088 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Jan 2012

Release Date

Aug 2012

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

18

-

480

Shading Units

1440

24

TMUs

72

8

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

23.20 GPixel/s

19.20 GTexel/s

Texture Rate

52.20 GTexel/s

-

768.0 GFLOPS

FP32 (float)

2.088 TFLOPS

-

FP64 (double)

417.6 GFLOPS

Board Design

66W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

Turks

GPU Name

Cypress

Turks XT (215-0803000)

GPU Variant

Cypress PRO (215-0735043)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

2.154 billion

118 mm²

Die Size

334 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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